Ahson A Syed. VoIP Handbook Applications,Technologies,Reliability, and Security (1st Ed.). Crc Press.
Chicago Edition CitationAhson A Syed. VoIP Handbook Applications,Technologies,Reliability, and Security. 1st Ed. Crc Press.
Deismireacht MLAAhson A Syed. VoIP Handbook Applications,Technologies,Reliability, and Security. 1st Ed. Crc Press.
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